Granted Patent
Utility
US 5,907,491 · App. 08/835,083
Wireless machine monitoring and communication system
Inventors:
Ronald G. Canada, James C. Robinson, Zbigniew Czyzewski, James Pearce
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: Apr 4, 1997
Inventors
Ronald G. Canada
James C. Robinson
Zbigniew Czyzewski
James Pearce
Assignee (at issue)
CSI Technology Co., Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.